What is uv?
A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers.
uv pricing
We don't have uv's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What uv does
The capabilities that matter for package registries, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Role
- Package manager client
- Ecosystem / language
- Python
- Deployment
- CLI-local
- Package formats supported
- Many formats
- Private / scoped packages
- -
- Upstream proxy / caching
- -
- Lockfile / deterministic installs
- ✓
- Workspaces / monorepo
- ✓
- Content-addressable store
- -
- Supply-chain integrity
- ✓
- Vulnerability / licence scanning
- ✗
- Openness
- Open-source
- Pricing model
- Free / OSS
Platform & deployment
Independently observed- CLI
- macOS
- Linux
- Windows
- Self-hosted
Integrations (10)
Independently observed- Docker
- GitHub Actions
- GitLab CI/CD
- AWS Lambda
- Azure Artifacts
- AWS CodeArtifact
- JFrog Artifactory
- PyTorch
- FastAPI
- Jupyter
Security & compliance
Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality
uv FAQ
Common questions about uv, answered from independent, dated evidence.
What is uv?
A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers. It is indexed under Package Registries.
Source: https://docs.astral.sh/uv
Is uv free to use?
uv is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.
Source: https://docs.astral.sh/uv
What platforms does uv support?
uv supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://docs.astral.sh/uv
Can uv be self-hosted?
Yes. uv can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://docs.astral.sh/uv
What does uv integrate with?
We have confirmed 10 integrations for uv, including Docker, GitHub Actions, GitLab CI/CD, AWS Lambda, Azure Artifacts, AWS CodeArtifact, JFrog Artifactory and PyTorch, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.
Source: https://docs.astral.sh/uv
Is uv open source?
Yes. uv is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Source: https://github.com/astral-sh/uv
uv alternatives
Other package registries we track, ranked by the same independent score.
- BunJavaScript runtime that consolidates package management, testing, and bundling into a single command-line toolmedium · 56%
- pnpmA package manager built for speed and minimal disk usagemedium · 65%
- VerdaccioA self-hosted registry for managing private and public Node.js packageshigh · 77%
- RubyGemsA package management tool and public repository for discovering, installing, and publishing Ruby libraries and packageslow · 31%
- YarnA JavaScript package manager built for reproducible and stable development environmentshigh · 75%
- pipA public source of Python software packages that developers can search for, download, and contribute tomedium · 65%
Compare uv
Side by side against other package registries, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for uv, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 97 | 0.15 | 14.4 | ✓ |
| Development activity | 63 | 0.11 | 6.8 | ✓ |
| Release cadence | 99 | 0.07 | 6.7 | ✓ |
| Capabilities | 58 | 0.09 | 5.0 | ✓ |
| Stars | 94 | 0.03 | 2.5 | ✓ |
| Integrations | 36 | 0.05 | 1.9 | ✓ |
| Dependent projects | 0 | 0.07 | 0.0 | ✓ |
| Security posture | 0 | 0.18 | 0.0 | - |
| Security score | 0 | 0.08 | 0.0 | - |
| Developer Q&A activity | 0 | 0.05 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-05 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Role: manager_client · Ecosystem: python · Deployment: cli_local · Workspaces: Yes · Open source: oss · Pricing model: free | mediumsource · 2026-10-05 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 17 | mediumsource · 2026-08-03 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Rust | highsource · 2026-10-05 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | Apache-2.0 | highsource · 2026-10-05 · 95% |
Pricing
Release
Security
| Attribute | Value | Evidence |
|---|---|---|
| Vulnerabilities | Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=spack&package_name=py-uv&per_page=100 · Last 12m: 0 | highsource · 2026-10-05 · 90% |
Is uv the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank uv against the rest of the package registries we index, using the same dated evidence weighted your way.
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